NGC 6031

NGC 6031
Observation data (J2000 epoch)
Constellation	Norma
Right ascension	16h 07m 51.4s[1]
Declination	−54° 03′ 03″[1]
Distance	6.8 ± 2.3 kly (2.1 ± 0.71 kpc)[2]
Apparent magnitude (V)	8.5[1]
Physical characteristics
Other designations	C 1603-539, Collinder 297, IRAS 16039-5355, OCl 951.[1]
See also: Open cluster, List of open clusters

NGC 6031 is an open cluster of stars in the constellation Norma. It has a Trumpler classification of II 2p^[3] and an age of about (250 ± 100) × 10⁶ years. The abundance of iron in this cluster matches the abundance in the Sun, indicating that the metallicity of the cluster is essentially solar.^[2]

References

1. ^ ^{a b c d} "NGC 6031 -- Cluster of Stars". SIMBAD. Centre de Données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-id?Ident=NGC+6031. Retrieved 2011-05-24. 
2. ^ ^{a b} Piatti, Andres E.; Claria, Juan J.; Bica, Eduardo (February 1999). "Fundamental parameters of the moderately young open clusters NGC 5999, NGC 6031, Ruprecht 115 and Ruprecht 120". Monthly Notices of the Royal Astronomical Society 303 (1): 65–76. Bibcode 1999MNRAS.303...65P. doi:10.1046/j.1365-8711.1999.02206.x. 
3. ^ Lindoff, U. (1967). "The open cluster NGC 6031". Arkiv för Astronomii 4: 305–316. Bibcode 1967ArA.....4..305L.